Armstrong was an innovative trumpeter and singer who strongly influenced the melodic development of jazz in the 1920s. He began playing in marching, riverboat, and cabaret bands as a youth in New Orleans and later joined King Oliver’s Creole Jazz Band in Chicago and the Fletcher Henderson Orchestra in New York City. Between 1925 and 1929, he made his classic Hot Five and Hot Seven recordings, which established the preeminence of the virtuoso jazz soloist. What style of singing did he popularize? Discuss